Perhaps you should try some spelling variations:
thong khong » thong thong, trong khong, phong khong
thanh tung » thanh cong
khong phap » chong phap, khong phai, phuong phap
doi chieu » doc hieu, doi chi, mot chieu
cap thong » cac thong, cap tong, chap thuong
tung cap » trung cap, cung cap, thong cap
phap van » pham van, phan van, phap han

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (toc thieu)) tinh - thanh tung cap thong khong phap van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) tinh - thanh tung cap thong khong phap van ban*.